WICHITA, Kan. (AP) — A 2-month-old boy who was injured along with his twin sister in Wichita has died, and authorities are expected to file upgraded charges against the children's father, police said Friday.

Marrell Williams died Thursday, Wichita Officer Charley Davidson said. His twin sister was also hospitalized after doctors discovered she had a healing broken femur. Officers found the children injured at their home last Friday. Marrell Williams had internal injuries and doctors found he had suffered previous injuries.

Their father, Marlin Williams, was charged earlier this week with three...